Home / 881,191.77-1,216,040.41-499,217.64

Finding the Fourth Proportional to 881,191.77, 1,216,040.41 and 499,217.64

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Solution

The fourth proportional to 881,191.77, 1,216,040.41 and 499,217.64 is: 688,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,191.77 : 1,216,040.41 = 499,217.64 : x
  2. Step 2: Convert to fraction form
    881,191.77/1,216,040.41 = 499,217.64/x
  3. Step 3: Cross multiply
    881,191.77x = 1,216,040.41 × 499,217.64
  4. Step 4: Simplify right side
    881,191.77x = 607,068,823,624.83
  5. Step 5: Solve for x
    x = 607,068,823,624.83/881,191.77
  6. Step 6: Final answer
    x = 688,917.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.